Finding the Third Proportional to 152,168 and 328,396

Step by Step Solution

1. Step 1: Write the proportion equation
   152,168 : 328,396 = 328,396 : x
2. Step 2: Convert to fraction form
   152,168/328,396 = 328,396/x
3. Step 3: Cross multiply
   152,168x = 328,396 × 328,396
4. Step 4: Simplify right side
   152,168x = 107,843,932,816
5. Step 5: Solve for x
   x = 107,843,932,816/152,168
6. Step 6: Final answer
   x = 708,716.24